Readers will be fascinated to learn about a wide range of scientists who have attained recognition or have demonstrated unique abilities in a variety of scientific fields including astronomy, mathematics, chemistry, physics, anthropology, oceanography, botany and medicine.Chronologically presented, this book begins with Pythagoras (c. 580 BC-c. 500 BC) and ends with Stephen Hawking (b. 1942 -). As with all of the scientists featured in 100 Scientists Who Shaped World History, both men sought answers to the physical world around them. Pythagoras, a Greek philosopher and mathematician, coined the word philosophy, believed that mathematics and nature were harmonious and is best known for the Pythagorean theorem. Hawking, an English physicist, combined the theory of relativity with quantum mechanics to describe the properties of black holes.As with the other titles in Bluewood's popular 100 Series, each entry in 100 Scientists Who Shaped World History includes an illustration or photograph and a locator map, accompanied by concise, clearly written text -- teeming with facts and nuggets of information. The book also has a complete index and trivia quiz. Perfect for both the browser who wants to read material in quick bites and for those who want to read the content comprehensively.